That all I can say right now.

这就是我现在能说的所有内容。

youdao

All I can say in justification of her actions is that she was under a lot of pressure at work.

我唯一能为她的行为辩解的理由是她工作压力很大。

《牛津词典》

I can say in all sincerity that I knew nothing of these plans.

我可以十分坦诚地说，这些计划我一无所知。

《牛津词典》

"I can say that,anecdotally, virtually all the teachers noticed immediately much more alertness in class, definitely more positive mood.

VOA: special.2010.10.07

The reason I say that is, by having operator overloading I can use 1 generic interface to all of the objects that I want to use.

他在大多数情况下都是对的，我要这么说的原因是,通过运算符重载我可以,用一个通用的借口对。

麻省理工公开课 - 计算机科学及编程导论课程节选

You can say to your friend, "That's all I want."

你可以跟你的朋友说，"That's all I want."

That's all课堂 - SpeakingMax英语口语达人

That's all I can say or that's the only way that I can naturally explain it.

NPR: Gospel Singer Yolanda Adams, 'Day by Day'

"I spoke to them, and that's all I can say right now, " he said.

NPR: Feds Ask To Interview Wife Of Suspected Bomber

God is great - that's all I can say.

BBC: Besieged Misrata: 100 days of bombing